Bitcoin network is currently accepting OP_RETURN>80 bytes if enough tx fee is paid
Here are the two transactions having 912 bytes OP_RETURN:
https://mempool.space/tx/03a19102c0bcfecab26ee8631ee4625e6eb4b5ddf24277ecf5d4487a77702b79
https://mempool.space/tx/f5de4018e1ee823742baaf38bbebed1dbbea7473c3d11664b26b7f1d7b4a1e20
Here is the post on details of the complete experiment:
https://community.blockonomics.co/t/creating-an-op-return-transaction-80-bytes/1966
submitted by /u/blockonomics_co
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